Adult Halloween Costumes

Choose from our large assortment of adult Halloween costumes for your holiday party or Halloween night.

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of 2

  • $89.99
    Womens Ursula Costume Couture - The Little Mermaid
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    Online Only
    Review Rating: 4.00
    Online Only
  • Now $79.99 Was:$89.99
    Adult Ariel Costume - The Little Mermaid
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    Online Only
    Review Rating: 3.00
    Online Only
  • $39.99
    Adult Divine Goddess Costume
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    Review Rating: 4.50
  • $59.99
    Womens Ariel Costume - The Little Mermaid
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    Online Only
    Review Rating: 4.00
    Online Only
  • Now $24.99 Was:$39.99
    Teen Girls Ariel Costume - The Little Mermaid
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    Online Only
    Online Only
  • Now $29.99 Was:$39.99
    Adult Grecian Goddess Costume
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    Review Rating: 4.50
  • Now $10.00 Was:$34.99
    Teen Girls Glitzy Goddess Costume
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    Review Rating: 3.00
  • $44.99
    Adult Neptune Costume
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    Online Only
    Review Rating: 5.00
    Online Only
  • Now $29.99 Was:$39.99
    Adult Deadly Roman Warrior Costume
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    Online Only
    Review Rating: 3.50
    Online Only
  • $59.99
    Womens Ariel Costume Plus Size - The Little Mermaid
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    Online Only
    Online Only
  • $89.99
    Adult Ursula Costume Couture Plus Size - The Little Mermaid
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    Online Only
    Review Rating: 3.00
    Online Only
  • Now $79.99 Was:$89.99
    Adult Ariel Costume Plus Size - The Little Mermaid
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    Online Only
    Online Only
  • $59.99
    Adult Kassandra Costume - Assassin's Creed
    Available on Sep 30
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    In-Store Pickup Coming Soon
    In-Store Pickup Coming Soon
  • $59.99
    Adult Alexios Costume - Assassin's Creed
    Available on Sep 30
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    In-Store Pickup Coming Soon
    In-Store Pickup Coming Soon
  • $39.99
    Adult Imperial Empress Costume Plus Size
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  • $39.99
    Adult Divine Goddess Costume Plus Size
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  • Now $29.99 Was:$44.99
    Adult Athena Goddess Costume
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    Review Rating: 2.50
  • $59.99
    Adult Alexios Costume Plus Size - Assassin's Creed
    Available on Sep 30
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  • $29.99
    Adult Augustus Caesar Costume Plus Size
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  • $29.99
    Adult Augustus Caesar Costume
    Out Of Stock Online
  • $49.99
    Adult Roman Centurion Costume
    Out Of Stock Online
  • $24.99
    Ursula Tutu - The Little Mermaid
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    Review Rating: 5.00
  • $2.99
    Roman Sword 4in x 15in Plastic Prop
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    Online Only
    Review Rating: 4.50
    Online Only
  • $15.00
    Safari Hat 12in x 5in Straw Hat
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    Review Rating: 5.00
  • $29.99
    Adult Dragon Queen Slate Blue Dress
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  • $7.99
    Gold Coin Jewelry Set
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    Review Rating: 3.00
  • Now $26.99 Was:$44.99
    Womens Gold Zena Gladiator Sandals
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    Online Only
    Online Only
  • $29.99
    Goddess Dress
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    Review Rating: 3.50
  • Now $14.99 Was:$24.99
    Adult Ariel Wig
    Online Only Sale – Limited Time!
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    Online Only
    Online Only
  • $22.99
    Adult Toga Costume
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    Online Only
    Review Rating: 5.00
    Online Only
  • $16.99
    Spartan Combat Shield & Sword Plastic Props
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    Online Only
    Review Rating: 4.00
    Online Only
  • $29.99
    Roman Soldier Accessory Kit
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    Online Only
    Review Rating: 5.00
    Online Only
  • $9.99
    Roman Sandals
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    Online Only
    Review Rating: 2.00
    Online Only
  • Now $23.99 Was:$39.99
    Adult Maximus Costume Accessory Kit - Gladiator
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  • $19.99
    Greek Chest Plate with Cape
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    Online Only
    Review Rating: 3.50
    Online Only
  • $6.99
    Goddess Arm Cuff
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    Online Only
    Review Rating: 5.00
    Online Only
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Get an Easy Halloween Costume for Adults from Party City

Why should kids have all the fun? Adults need costumes too, so shop the latest and greatest adult Halloween costumes for men and women at Party City! We’re your Halloween super store with everything you need to celebrate the holiday.

Our extensive selection of costumes for adults includes a wide range of themes, styles and sizes for all body types, including plus-size costumes. We carry adult costumes from your favorite TV shows, movies and video games, as well as classic – and easy – Halloween costumes for adults of all shapes and sizes. More about humor than horror? Be sure to check out our collection of funny adult Halloween costumes so you can be the talk of the party!

While we have plenty of ready-made outfits, sometimes the best Halloween costumes for adults are of the DIY variety. If that’s the case for you, don’t worry - we’ve got you covered there, too. We make it easy to complete adult costumes thanks to our selection of individual items from our curated selection of masks, tops, bottoms, shoes and more to create your own unique look. And remember – the holidays are always more fun with those you love, which is why we carry a huge selection of adult Halloween costumes for couples and groups. No matter what you choose, it’s sure to delight family, friends and neighbors. Ready to find the best Halloween costumes for adults like you? Check out our online selection or visit your local store to get started.